powerpc: convert interrupt handlers to use wrappers

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-29-npiggin@gmail.com
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index fef92ef..f8eb42a 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -34,6 +34,7 @@
 #include <linux/uaccess.h>
 
 #include <asm/firmware.h>
+#include <asm/interrupt.h>
 #include <asm/page.h>
 #include <asm/mmu.h>
 #include <asm/mmu_context.h>
@@ -540,7 +541,7 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address,
 }
 NOKPROBE_SYMBOL(__do_page_fault);
 
-long do_page_fault(struct pt_regs *regs)
+DEFINE_INTERRUPT_HANDLER_RET(do_page_fault)
 {
 	const struct exception_table_entry *entry;
 	enum ctx_state prev_state;
@@ -624,7 +625,7 @@ void bad_page_fault(struct pt_regs *regs, int sig)
 }
 
 #ifdef CONFIG_PPC_BOOK3S_64
-void do_bad_page_fault_segv(struct pt_regs *regs)
+DEFINE_INTERRUPT_HANDLER(do_bad_page_fault_segv)
 {
 	bad_page_fault(regs, SIGSEGV);
 }